A method and apparatus for performing measurements in a wireless communication system is provided. The method includes receiving an indication on measurements based on a discovery signal from a network, and performing measurements only in discovery signal occasions. In another aspect, a user equipment (UE) includes a memory, a transceiver, and a processor coupled to the memory and the transceiver, and configured to control the transceiver to receive an indication on measurements based on the discovery signal from the network, and perform measurements only in discovery signal occasions.